/usr/include/opengm/functions/truncated_absolute_difference.hxx is in libopengm-dev 2.3.6-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 | #pragma once
#ifndef OPENGM_TRUNCATED_ABSOLUTE_DIFFERENCE_FUNCTION_HXX
#define OPENGM_TRUNCATED_ABSOLUTE_DIFFERENCE_FUNCTION_HXX
#include "opengm/opengm.hxx"
#include "opengm/functions/function_registration.hxx"
#include "opengm/functions/function_properties_base.hxx"
namespace opengm {
/// truncated absolute differents between the labels of 2 variables
///
/// \ingroup functions
template<class T, class I = size_t, class L = size_t>
class TruncatedAbsoluteDifferenceFunction
: public FunctionBase<TruncatedAbsoluteDifferenceFunction<T, I, L>, T, I, L> {
public:
typedef T ValueType;
typedef I IndexType;
typedef L LabelType;
TruncatedAbsoluteDifferenceFunction(const LabelType = 2, const LabelType = 2,
const ValueType = ValueType(), const ValueType = ValueType());
size_t shape(const IndexType) const;
size_t size() const;
size_t dimension() const;
template<class ITERATOR> T operator()(ITERATOR) const;
private:
size_t numberOfLabels1_;
size_t numberOfLabels2_;
T parameter1_;
T parameter2_;
friend class FunctionSerialization<TruncatedAbsoluteDifferenceFunction<T, I, L> > ;
};
/// \cond HIDDEN_SYMBOLS
/// FunctionRegistration
template <class T, class I, class L>
struct FunctionRegistration<TruncatedAbsoluteDifferenceFunction<T, I, L> >{
enum ID { Id = opengm::FUNCTION_TYPE_ID_OFFSET + 3 };
};
/// FunctionSerialization
template <class T, class I, class L>
class FunctionSerialization<TruncatedAbsoluteDifferenceFunction<T, I, L> > {
public:
typedef typename TruncatedAbsoluteDifferenceFunction<T, I, L>::ValueType ValueType;
static size_t indexSequenceSize(const TruncatedAbsoluteDifferenceFunction<T, I, L>&);
static size_t valueSequenceSize(const TruncatedAbsoluteDifferenceFunction<T, I, L>&);
template<class INDEX_OUTPUT_ITERATOR, class VALUE_OUTPUT_ITERATOR >
static void serialize(const TruncatedAbsoluteDifferenceFunction<T, I, L>&, INDEX_OUTPUT_ITERATOR, VALUE_OUTPUT_ITERATOR);
template<class INDEX_INPUT_ITERATOR, class VALUE_INPUT_ITERATOR>
static void deserialize(INDEX_INPUT_ITERATOR, VALUE_INPUT_ITERATOR, TruncatedAbsoluteDifferenceFunction<T, I, L>&);
};
/// \endcond
template <class T, class I, class L>
inline
TruncatedAbsoluteDifferenceFunction<T, I, L>::TruncatedAbsoluteDifferenceFunction
(
const LabelType numberOfLabels1,
const LabelType numberOfLabels2,
const ValueType parameter1,
const ValueType parameter2
)
: numberOfLabels1_(numberOfLabels1),
numberOfLabels2_(numberOfLabels2),
parameter1_(parameter1),
parameter2_(parameter2)
{}
template <class T, class I, class L>
template <class ITERATOR>
inline typename TruncatedAbsoluteDifferenceFunction<T, I, L>::ValueType
TruncatedAbsoluteDifferenceFunction<T, I, L>::operator()
(
ITERATOR begin
) const {
T value = begin[0];
value -= begin[1];
return abs(value) > parameter1_ ? parameter1_ * parameter2_ : abs(value) * parameter2_;
}
/// extension a value table encoding this function would have
///
/// \param i dimension
template <class T, class I, class L>
inline size_t
TruncatedAbsoluteDifferenceFunction<T, I, L>::shape(
const IndexType i
) const {
OPENGM_ASSERT(i < 2);
return (i==0 ? numberOfLabels1_ : numberOfLabels2_);
}
// order (number of variables) of the function
template <class T, class I, class L>
inline size_t
TruncatedAbsoluteDifferenceFunction<T, I, L>::dimension() const {
return 2;
}
/// number of entries a value table encoding this function would have (used for I/O)
template <class T, class I, class L>
inline size_t
TruncatedAbsoluteDifferenceFunction<T, I, L>::size() const {
return numberOfLabels1_ * numberOfLabels2_;
}
template <class T, class I, class L>
inline size_t
FunctionSerialization<TruncatedAbsoluteDifferenceFunction<T, I, L> >::indexSequenceSize
(
const TruncatedAbsoluteDifferenceFunction<T, I, L>& src
) {
return 2;
}
template <class T, class I, class L>
inline size_t
FunctionSerialization<TruncatedAbsoluteDifferenceFunction<T, I, L> >::valueSequenceSize
(
const TruncatedAbsoluteDifferenceFunction<T, I, L>& src
) {
return 2;
}
template <class T, class I, class L>
template<class INDEX_OUTPUT_ITERATOR, class VALUE_OUTPUT_ITERATOR >
inline void
FunctionSerialization<TruncatedAbsoluteDifferenceFunction<T, I, L> >::serialize
(
const TruncatedAbsoluteDifferenceFunction<T, I, L>& src,
INDEX_OUTPUT_ITERATOR indexOutIterator,
VALUE_OUTPUT_ITERATOR valueOutIterator
) {
*indexOutIterator = src.shape(0);
++indexOutIterator;
*indexOutIterator = src.shape(1);
*valueOutIterator = src.parameter1_;
++valueOutIterator;
*valueOutIterator = src.parameter2_;
}
template <class T, class I, class L>
template<class INDEX_INPUT_ITERATOR, class VALUE_INPUT_ITERATOR >
inline void
FunctionSerialization<TruncatedAbsoluteDifferenceFunction<T, I, L> >::deserialize
(
INDEX_INPUT_ITERATOR indexInIterator,
VALUE_INPUT_ITERATOR valueInIterator,
TruncatedAbsoluteDifferenceFunction<T, I, L>& dst
) {
const size_t shape1=*indexInIterator;
++ indexInIterator;
const size_t shape2=*indexInIterator;
const ValueType param1=*valueInIterator;
++valueInIterator;
const ValueType param2=*valueInIterator;
dst = TruncatedAbsoluteDifferenceFunction<T, I, L>(shape1,shape2,param1,param2);
}
} // namespace opengm
#endif // OPENGM_TRUNCATED_ABSOLUTE_DIFFERENCE_FUNCTION_HXX
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